The conditions are life threatening and could flood creeks, streams, streets, highways, underpasses and "urban areas," according to the NWS.

KERRVILLE, Texas - Authorities have suspended all ground search operations in the Kerrville and Hunt on Sunday corridor due to dangerous flood conditions. The decision comes amid growing concerns over the potential for flash flooding in the area.

The flood watch will stay in effect until 7 p.m. Sunday. Isolated rainfall of up to 6 inches will be possible.

TEXAS, USA — As emergency crews respond to catastrophic, deadly flooding in Kerrville and the Hill Country region, two interactive maps can help residents and families track real-time flood levels and road closures across affected parts of Texas.

Kerr County had discussed buying such things as water gauges and sirens after previous flood disasters. But as with many rural Texas counties, cost was an issue.

Kerr County failed to secure a warning system, even as local officials remained aware of the risks and as billions of dollars were available for similar projects.

The very qualities that draw people to the beautiful Texas Hill Country — rolling terrain, limestone formations and lazy rivers — also make the area deadly during heavy rainstorms.

Heavy rains fell quickly in the predawn hours of Friday in the Texas Hill Country, causing the Guadalupe River to rise 26 feet in just 45 minutes.

New data reveals FEMA missed major flood risks at Camp Mystic, where over two dozen died in the Texas flood. And, U.S. measles cases hit the highest level in over three decades.